Building URL in CodeIgniter

Question

I'm basically trying to grab everything after the 4th segment in the URL, however there is no fixed number of segments. Here is my attempt but for some reason $url is always 0 rather than the string I am looking for. Any suggestions?

$url = '';
for ($counter = 4; $counter <= $this->uri->total_segments(); $counter++) {
    $url += $this->uri->slash_segment($counter);
}
echo $url;

Answer 1

Try this:

$segs = $this->uri->segment_array(); // get all segments
$my_segs = $segs[3]; // get segments starting from four

foreach ($my_segs as $segment)
{
  echo $segment;
  echo '<br />';
}

Also to concatenate strings, use a dot not plus sign eg:

$url .= $this->uri->slash_segment($counter);

Answer 2

You can simplify that code like so:

echo implode('/', array_slice($this->uri->segment_array(), 3));

That will get everything after and including the 4th parameter.